Abstract: A chip and an interface conversion device are provided. The chip includes first, second, third, fourth, fifth and sixth pads. The first and second pads are coupled to first and second SBU pins of a USB connector respectively. The fourth and the sixth pads are coupled to first and second pins of an AUX channel of a DP connector respectively. When the chip operates in a first mode, first and second AUX channel signals generated by the chip are transmitted to the third and fifth pads respectively, a voltage of the fourth pad is weakly pulled down, and a voltage of the sixth pad is weakly pulled up. When the chip operates in a second mode, one of the first and second pads is connected to the fourth pad, and the other one of the first and second pads is connected to the sixth pad.

Abstract: An electronic apparatus and an operation method thereof are provided. The electronic apparatus includes a nonvolatile memory, a first integrated circuit and a second integrated circuit. The nonvolatile memory stores the first firmware code of the first integrated circuit and the second firmware code of the second integrated circuit. The first integrated circuit is coupled to a memory access interface of the nonvolatile memory to read the first firmware code and the second firmware code. The first integrated circuit has an emulation memory access interface to emulate an emulation memory. The second integrated circuit is coupled to the emulation memory access interface of the first integrated circuit. The second integrated circuit reads the second firmware code from the first integrated circuit via the emulation memory access interface.

Abstract: An integrated circuit chip has an active surface and a chip pad arrangement on the active surface. The chip pad arrangement includes four pairs of chip pads arranged in two rows along a side edge of the active surface. Two pairs of chip pads are a first transmission differential pair chip pad and a first reception differential pair chip pad respectively. Positions of the two pairs of chip pads are not adjacent to each other and are in different rows. The other two pairs of chip pads are a second transmission differential chip pad and a second reception differential chip pad respectively. Positions of the other two pairs of chip pads are not adjacent to each other and are in different rows. In addition, a package substrate corresponding to the integrated circuit chip and an electronic assembly including the package substrate and the integrated circuit chip are also provided.

Abstract: The present invention provides a universal serial bus (USB) device and an operating method thereof. The USB device includes a plurality of Downstream Facing Ports (DFPs) and a control circuit. When a first external device is connected to the first DFP and the second DFP is not connected to any external device, the control circuit maintains the first DFP as one of a power source port and a power sink port according to the first external device, and maintains the second DFP as other one of the power source port and the power sink port regardless of whether the second DFP is connected to a second external device later until the first external device is removed from the first DFP.

Abstract: A USB integrated circuit includes three TX connecting component pairs and three RX connecting component pairs. The first TX connecting component pair and the first RX connecting component pair are respectively coupled to the first TX pin pair and the first RX pin pair of the first USB connector. The second TX connecting component pair and the second RX connecting component pair are respectively coupled to the first TX pin pair and the first RX pin pair of a second USB connector. The third TX connecting component pair is coupled to the second TX pin pair of the first USB connector or to the second TX pin pair of the second USB connector. The third RX connecting component pair is coupled to the second RX pin pair of the first USB connector or to the second RX pin pair of the second USB connector.

Abstract: A dock and an operation method therefor are provided. The dock is suitable for propping up a mobile communication device. The dock includes an audio-receiving circuit, a rotating module, a communication circuit, and a controller circuit. The controller circuit is coupled to the audio-receiving circuit, the rotating module, and the communication circuit. The controller circuit transmits at least one of a plurality of audio signals generated by the audio-receiving circuit to the mobile communication device through the communication circuit, and determines an audio direction of an audio source according to the plurality of audio signals. The controller circuit controls the rotating module to rotate according to the audio direction, so as to bring the mobile communication device face toward the audio source.

Abstract: A USB integrated circuit (IC) includes a first USB port and a second USB port. The first USB port includes a first connecting component pair and a second connecting component pair. The second USB port includes a third connecting component pair and a fourth connecting component pair. The USB IC outputs a first differential signal pair and a third differential signal pair to the outside via the first connecting component pair and the third connecting component pair, and receives a second differential signal pair and a fourth differential signal pair from the outside via the second connecting component pair and the fourth connecting component pair. The first connecting component pair is disposed between the second connecting component pair and the third connecting component pair, and the third connecting component pair is disposed between the first connecting component pair and the fourth connecting component pair.

Abstract: For adjusting a signal transmission direction in a cable, which is configured to be electrically coupled between a first interface port and a second interface port, an electric characteristic on at least a first pin of the first interface port is detected. Then a signal transmission direction of at least one pair of differential signal transmission channels in the cable is controlled to change from a first direction to a second direction different from the first direction, provided that a communication protocol between the first interface port and the second interface port is changed from a first communication protocol to a second communication protocol, and the electric characteristic complies with a first condition.

Abstract: A terminating resistor circuit of a USB port and an operation method thereof are provided. The terminating resistor circuit includes a terminating resistor, a terminating switch, and an energy storage control circuit. The terminating resistor and the terminating switch are connected in series between a configuration channel pin of the USB port and a first reference voltage, and the energy storage control circuit is coupled to a control end of the terminating switch. During a charging period in a configuration detection period, the energy storage control circuit stores charge from the configuration channel pin to obtain a stored electrical energy, and during a discharging period in the configuration detection period, the energy storage control circuit turns on the terminating switch by using the stored electrical energy.

Abstract: A USB hub and an operating method thereof are provided. The USB hub includes a first USB connector coupled to a first device, a second USB connector coupled to a second device, a first power switch, a second power switch, a power converter, and a third power switch. The first power switch has a first end coupled to a power pin of the first USB connector. The second power switch has a first end coupled to a second end of the first power switch, and a second end coupled to a power pin of the second USB connector. The power converter has an input coupled to the second end of the first power switch. The third power switch has a first end coupled to an output of the power converter, where a second end of the third power switch is coupled to the power pin of the second USB connector.

Abstract: A USB apparatus and an operation method thereof are provided. The USB apparatus includes a USB connector, a terminal resistor circuit, and an overvoltage protection circuit. The terminal resistor circuit includes a terminal resistor and a terminal switch connected to each other in series. The terminal resistor and the terminal switch jointly provide a current path between a configuration channel (CC) pin of the USB connector and a reference voltage. The terminal switch is turned on during a configuration detection period. During a power saving period after the configuration detection period ends, the overvoltage protection circuit controls the terminal resistor circuit to turn off the terminal switch. The overvoltage protection circuit detects an overvoltage event at the CC pin. When an overvoltage event occurs at the CC pin, the overvoltage protection circuit controls the terminal resistor circuit to turn on the terminal switch.

Abstract: A multi-port power supply apparatus and a power supplying method thereof are provided. The multi-port power supply apparatus includes a power supply circuit, a plurality of connecting ports, a plurality of power converters, and a common control circuit. The power supply circuit is configured to provide a source electric energy to the power converters. Any one of the power converters converts the source electric energy into an output electric energy and outputs the output electric energy to the corresponding connecting port. The common control circuit dynamically adjusts the source electric energy by controlling the power supply circuit according to a plurality of voltage demands and a plurality of power demands of the connecting ports, so as to enhance voltage conversion efficiency of the multi-port power supply apparatus.

Abstract: A USB integrated circuit (IC) includes a first USB port and a second USB port. The first USB port includes a first connecting component pair and a second connecting component pair. The second USB port includes a third connecting component pair and a fourth connecting component pair. The USB IC outputs a first differential signal pair and a third differential signal pair to the outside via the first connecting component pair and the third connecting component pair, and receives a second differential signal pair and a fourth differential signal pair from the outside via the second connecting component pair and the fourth connecting component pair. The first connecting component pair is disposed between the second connecting component pair and the third connecting component pair, and the third connecting component pair is disposed between the first connecting component pair and the fourth connecting component pair.

Abstract: A multi-port power supply apparatus and an operation method thereof are provided. In an embodiment, the multi-port power supply apparatus includes a plurality of USB ports, a plurality of power converters, and a common control circuit. The USB ports include a first USB port and a second USB port. The power converters are configured to supply power to the USB ports. The common control circuit is configured to obtain power variations of the USB ports, and correspondingly control the power converters to supply power to the USB ports according to the power requirements of the USB ports. The common control circuit dynamically diverts a power difference between a first power of the first USB port at a first time and a second power of the first USB port at a second time to the second USB port.

Abstract: A dock and an operation method therefor are provided. The dock is suitable for propping up a mobile communication device. The dock includes an audio-receiving circuit, a rotating module, a communication circuit, and a controller circuit. The controller circuit is coupled to the audio-receiving circuit, the rotating module, and the communication circuit. The controller circuit transmits at least one of a plurality of audio signals generated by the audio-receiving circuit to the mobile communication device through the communication circuit, and determines an audio direction of an audio source according to the plurality of audio signals. The controller circuit controls the rotating module to rotate according to the audio direction, so as to bring the mobile communication device face toward the audio source.

Abstract: The USB chipset including a data processing unit, a transmitting unit, a first pin set and a second pin set is provided. The data processing unit generates a plurality of transmission information according to first information provided by a first device. The transmitting unit processes the transmission information to generate an output signal. The first pin set is configured to transmit the output signal to a second device. The second pin set is configured to transmit the output signal to the second device. When the first pin set transmits the output signal to the second device, the second pin set does not transmit the output signal to the second device. When the second pin set transmits the output signal to the second device, the first pin set does not transmit the output signal to the second device.

Abstract: A multi-port power supply apparatus and a power supplying method thereof are provided. The multi-port power supply apparatus includes a power supply circuit, a plurality of connecting ports, a plurality of power converters, and a common control circuit. The power supply circuit is configured to provide a source electric energy to the power converters. Any one of the power converters converts the source electric energy into an output electric energy and outputs the output electric energy to the corresponding connecting port. The common control circuit dynamically adjusts the source electric energy by controlling the power supply circuit according to a plurality of voltage demands and a plurality of power demands of the connecting ports, so as to enhance voltage conversion efficiency of the multi-port power supply apparatus.

Abstract: A current sensor includes a current sensing resistor, a first transistor, a second transistor, a bias voltage generating circuit, and a current mirror. The first terminal of the first transistor is coupled to the first terminal of the current sensing resistor. The first terminal of the second transistor is coupled to the second terminal of the current sensing resistor. The bias voltage generating circuit supplies a first bias voltage to the control terminal of the first transistor and a second bias voltage to the control terminal of the second transistor. The first bias voltage and the second bias voltage are dependent on the voltage of the first input terminal or the voltage of the second input terminal. The two current terminals of the current mirror are coupled to the second terminals of the second transistor and the first transistor, respectively.

Abstract: A multi-port power supply apparatus and its operation method are provided. The multi-port power supply apparatus includes a voltage source circuit, a first voltage converter, a second voltage converter and a first common control circuit. The voltage source circuit provides a source voltage. The first voltage converter converts the source voltage into a first output voltage and outputs the first output voltage to a first connecting port of the multi-port power supply apparatus. The second voltage converter converts the source voltage into a second output voltage and outputs the second output voltage to a second connecting port of the multi-port power supply apparatus. The first common control circuit adjusts the source voltage according to a first voltage demand of the first connecting port and a second voltage demand of the second connecting port. Thus, a voltage conversion efficiency of the multi-port power supply apparatus is enhanced.

Abstract: A universal serial bus circuit including a power circuit and a terminating circuit is provided. The power circuit provides a differential signal. The terminating circuit is coupled to the power circuit. The terminating circuit receives the differential signal through the first signal output terminal and the second signal output terminal, and the terminating circuit includes a first load circuit and a second load circuit. When the universal serial bus circuit is operated in a handshake mode, the terminating circuit receives the differential signal through the first load circuit and the second load circuit, and outputs a pulse signal through the first signal output terminal and the second signal output terminal. When the universal serial bus circuit is operated in a normal mode, the terminating circuit receives the differential signal through the first load circuit, and outputs a data signal through the first signal output terminal and the second signal output terminal.